Parabolic velaroidal shell / by Porfirio Ballesteros
Ballesteros, Porfirio
Parabolic velaroidal shell / by Porfirio Ballesteros - Budapest, [Hungría] : Épitéstudományi Intézet - 16 p.
"Reprint of the International Symposium on Shell Structures- in Engineering Practice, Budapest, Hungary, 31st Aug. to 3-rd Sept. 1965".
Parabolic velaroidal shell / by Porfirio Ballesteros - Budapest, [Hungría] : Épitéstudományi Intézet - 16 p.
"Reprint of the International Symposium on Shell Structures- in Engineering Practice, Budapest, Hungary, 31st Aug. to 3-rd Sept. 1965".